The Political A-p-proach to the Classical World 49 power of Elam, and now, by the collapse of Urartu, the last bulwark against the invaders was removed. Assyria was assailed from all sides at once. The Umman-Manda closed in from the north, and a united Babylonia under the Chaldaean Nabopo- lassar marched up the Euphrates. In 612 B.C. Scythians, Medes, and Babylonians joined in the final assault on the capital; the Assyrian Empire perished in the flames of Nineveh. The victorious allies divided Hither Asia between them. Cyaxares the Mede kept Assyria and the northern possessions of the empire; the Halys was fixed as the boundary between his realm and the kingdom of Lydia. Nebuchadnezzar II established Babylonian control over Palestine, Syria, and the Euphrates valley, and his sphere of influence extended even into Asia Minor. The Egyptians, taking advantage of the fall of Assyria to seize Palestine, were defeated at Carchernish; years later they returned to stir up revolt in Jerusalem and among the cities of Phoenicia, but again they failed. Judah was heavily punished; the Jews were taken off into captivity to Babylon, and Jeremiah was left to chant his lamentations on the ruins of Jerusalem. Some of the Jews sought refuge in Egypt, that 'broken reed' that had failed to support them, and were granted permission to settle in the Delta towns. Others are found later as mercenaries in Upper Egypt, where they formed a colony at Elephantine. After the final overthrow of the Elamites in the middle of the seventh century, a group of Iranian tribes had moved south and held the country as vassals of the Medes. Gradually the Persians gained the ascendancy; Cyrus of Anshan, about sixty years after the fall of Nineveh, managed to unite them, and his revolt against the Median Astyages was successful. Ecbatana was captured, and he proclaimed himself King of the Medes and Persians. The empire of Babylonia was threatened. Unfortunately for her, Nebuchadnezzar was now dead and an unpractical man of letters, the antiquarian king Nabonidus, took